"What is the rate of growth of 20 bacterial if after 4 hours there are 3000" Fill in each step to solve the problem: Using the formula A\:=\:A_oe^{kt}A = A o e k t, let A = , A_oA o = and t = Start by dividing each side by in order to isolate the base Next, rewrite as a logarithm, which turns into Finally, solve for k to get the rate of